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电子学报  2002 

一种非对称链路带宽测量算法

, PP. 2066-2070

Keywords: 链路带宽,网络带宽测量,非对称链路,测量噪声

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Abstract:

准确的网络带宽测量对许多互联网应用和协议至关重要.现有带宽测量工具如Pathchar,Bing和Bprobe都假定链路对称.但ADSL、cablemodem和卫星链路等的广泛存在,使测量必须考虑非对称链路.本文提出了一种新的非对称链路测量算法(ALBMA,AsymmetricLinkBandwidthMeasurementAlgorithm),来测量一条路径上各链路的双向带宽,并采用核密度评估算法过滤测量噪声.仿真验证了测量和滤波算法的有效性.与先前算法相比,ALBMA具有相近的测量精度,但测量速度更快,并且耗费网络资源少.

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